Jvc KDG 179 UR Service Manual
This is the 33 pages manual for Jvc KDG 179 UR Service Manual.
Read or download the pdf for free. If you want to contribute, please upload pdfs to audioservicemanuals.wetransfer.com.
Extracted text from Jvc KDG 179 UR Service Manual (Ocr-read)
Page 1
JVC
SERVICE MANUAL
CD RECEIVER
KD-G179UR
cuMPAcr 53 3%?
DIGITAL Aunm
./
(f
aa-Rw TEXT mm
Lead free solder used in the board (material : Sn-Ag-Cu, melting point: 219 Centigrade)
TABLE OF CONTENTS
1 PRECAUTIONS ....................................................................... 1-3
2 SPECIFIC SERVICE INSTRUCTIONS ...................................................... 1-6
3 DISASSEMBLY ....................................................................... 1-7
4 ADJUSTMENT ....................................................................... 1-10
5 TROUBLESHOOTING ................................................................. 1-11
COPYRIGHT © 2006 Victor Company of Japan, Limited No_MA260
2006/4
Page 2
SPECIFICATION
AUDIO AMPLIFIER SECTION
Power Output
17 W RMS X 4 Channels at 4 Q and [< or =] 1% THD+N
Signal to Noise Ratio
80 dBA (reference: 1 W into 4 Q)
Load Impedance
4 Q (4 Q to 8 Q allowance)
Tone Control Range Bass
:10 dB at 100 HZ
Treble
:10 dB at 10 kHz
Frequency Response
40 Hz to 20 000 HZ
Line-Out Level/Impedance
2.0 V/20 kQ load (full scale)
Output Impedance
1k!)
Subwoofer-Out Level/Impedance
2.0 V/20 k9 load (full scale)
TUNER SECTION
Frequency Range FM 87.5 MHZ to 107.9 MHz (with channel interval set to 100 kHz or 200
I??? MHZ to 108.0 MHz (with channel interval set to 50 kHz)
AM 530 kHz to 1 710 kHz (with channel interval set to 10 kHz)
531 kHz to 1 602 kHz (with channel interval set to 9 kHz)
FM Tuner Usable Sensitivity 11.3 dBf(1.0 uV/75 Q)
50 dB Quieting Sensitivity 16.3 dBf(1.8 uV/75 9)
Alternate Channel Selectivity (400 65 dB
kHz)
Frequency Response 40 Hz to 15 000 Hz
Stereo Separation 35 dB
Capture Ratio 1.5 dB
AM Tuner Sensitivity 20 uV
Selectivity 35 dB
CD PLAYER SECTION
Type Compact disc player
Signal Detection System
Non-contact optical pickup (semiconductor laser)
Number of channels
2 channels (stereo)
Frequency Response
5 Hz to 20 000 HZ
Dynamic Range 96 dB
Signal-to-Noise Ratio 98 dB
Wow and Flutter Less than measurable limit
GENERAL
Power Requirement IOperating Voltage
DC 14.4 V (11 V to 16 V allowance)
Grounding System
Negative ground
Allowable Operating Temperature
0°C to +40°C (32°F to 104°F)
Dimensions (W X H X Installation Size (approx.)
182 mm X 52 mm X 150 mm (7-3/16" X 2-1/16" >< 5-15/16")
D) Panel Size (approx.)
188 mm X 58 mm X 11 mm (7-7/16" >< 2-5/16" >< 7/16")
Mass (approx.)
1.2 kg (2.6 lbs) (excluding accessories)
Design and specifications are subject to change without notice.
1-2 (No.MA260)